| Value |
Category |
Cases |
|
| -9 |
Don't know (spontaneous) |
0 |
|
| 1 |
Less than one month |
65 |
|
| 2 |
1 to 3 months |
105 |
|
| 3 |
3 to 6 months |
90 |
|
| 4 |
6 months to 1 year |
79 |
|
| 5 |
More than 1 year |
65 |
|
| Sysmiss |
|
18253 |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
